คุณลักษณะ

• They are wrapped one by one, so you don't have to worry about them getting dirty and they are convenient to carry around.
• Uses a round, soft "string" to prevent your ears from hurting even if you use it for a long time.
• The special V-cut shape reduces the gap between the cheeks, and it fits perfectly for a long time to block the penetration of pollen.
• It has a 3 layer structure and is clean. Moreover, it uses a PFE, BFE and VFE 99% cut filter to protect it from "pollen, virus droplets, PM2.5 and house dust."